Printed on our original Formula C the “Ice Box” seasonal colorway provides cool vibes with its two-tone chilly blues. Watch out for frostbitten toes while you roll around this winter on the coldest grip in the game. Hella Grip is 100% Made in the USA. Tear Proof-Water Proof PVC Liner. Premium Quality Silicone-Carbide Grit Formula. Aggressive Weatherproof Adhesive.